Rebecca Barnes

Bib: 68011 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Division (F18-39)

#0 / 14744

Race Day Weather

56°/46°F

overcast clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

131 ft elev

5K· 3.11 mi

11:46/mi

36:33

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

11:24/mi

1:11:56

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

12:13/mi

1:49:52

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

12:21/mi

2:28:13

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

12:52/mi

2:36:51

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

15:33/mi

3:14:43

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

14:14/mi

3:58:55

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

14:24/mi

4:43:37

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

15:53/mi

5:32:55

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

16:25/mi

5:55:18

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

503ft

Total climb

166ft

Range

6 to 172 ft

613ft

Total descent

About the height of the Statue of Liberty

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The Course

Half Splits

1st Half· via Half

2:36:5111:59 /mi⚡ faster

2nd Half

3:18:2715:08 /mi+26.5%

Positive split — 26.5% slower in the second half

AI Race Performance Report

Rebecca's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	36:33	11:46	3.11 mi	36:33	11:46	-
10K	1:11:56	11:35	3.10 mi	35:23	11:24	-0:22
15K	1:49:52	11:48	3.11 mi	37:56	12:13	+0:49
20K	2:28:13	11:56	3.11 mi	38:21	12:21	+0:08
Half(13.10 mi)	2:36:51	11:59	0.67 mi	8:38	12:52	+0:31
25K	3:14:43	12:33	2.43 mi	37:52	15:33	+2:41
30K	3:58:55	12:49	3.11 mi	44:12	14:14	-1:19
35K	4:43:37	13:03	3.11 mi	44:42	14:24	+0:10
40K	5:32:55	13:24	3.10 mi	49:18	15:53	+1:29
Finish(26.22 mi)	5:55:18	13:34	1.37 mi	22:23	16:25	+0:32

Trend:

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Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

11:24 /mi

Average Pace

13:34 /mi

Slowest Pace

16:25 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:36:51

44% of race

Time at Steady Pace

1:28:54

25% of race

Time at Slower Pace

1:49:33

31% of race

Average Pace: 13:33 /mi

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Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Females	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	53069	21243	21243	49503	19085	19085
10K	3.10 mi	50834+2235	19789+1454	19789+1454	48478	18346	18346
15K	3.11 mi	50312+522	19510+279	19510+279	49503	19085	19085
20K	3.11 mi	49959+353	19359+151	19359+151	49368	19212	19212
Half(13.10 mi)	0.67 mi	49921+38	19363-4	19363-4	49872	19803	19803
25K	2.43 mi	51307-1386	20328-965	20328-965	55172	23088	23088
30K	3.11 mi	51114+193	20286+42	20286+42	49997	20190	20190
35K	3.11 mi	50658+456	20129+157	20129+157	47961	19504	19504
40K	3.10 mi	51510-852	20720-591	20720-591	55050	23447	23447
Finish(26.22 mi)	1.37 mi	52077-567	21112-392	21112-392	57027	24573	24573

24573

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

London Marathon Events

Race timed by

Mika Timing